Printed circuit assemblies
Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments. > Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters): > Electro-cardiographs > Parts and accessories: > Printed circuit assemblies > Printed circuit assemblies
Duty Rate (from China)
Subheadings
Products classified under Tariff item 9018.11.91
12-Lead ECG Front-End Analog PCA
A high-fidelity printed circuit assembly that handles 12-lead electrode inputs with right-leg drive and pacemaker pulse detection for diagnostic ECGs. It is a dedicated component for electro-cardiographs, falling under the parts and accessories classification of tariff item 9018.11.91.
Defibrillator-Compatible ECG Interface Board
A printed circuit assembly designed for ECG monitoring during defibrillation, featuring protected inputs that survive high-energy shocks. It is a dedicated accessory for electro-cardiographs, used in emergency cardiac care, and qualifies as a part under this tariff item.
ECG Filter and Artifact Rejection PCA
A digital signal processing printed circuit assembly that removes baseline wander, muscle noise, and 50/60Hz interference from ECG signals. It enhances accuracy in electro-cardiographs for physiological parameter checking, qualifying as a part under this tariff item.
ECG Patient Isolation Amplifier PCA
A safety-critical printed circuit assembly providing galvanic isolation between patient electrodes and ECG processing electronics to prevent electrical shock. It is an essential accessory for electro-cardiographs, qualifying as a part under this tariff item.
ECG Signal Processing Printed Circuit Board
This printed circuit assembly processes analog ECG signals from electrodes into digital data for analysis in electro-cardiograph machines. It is a dedicated component for electro-diagnostic equipment, falling under the parts classification of this tariff item.
Electrocardiograph Display Driver Circuit Assembly
A printed circuit board assembly that drives LCD/OLED displays for real-time ECG waveform visualization in diagnostic monitors. It is principally used as an accessory in electro-cardiographs, making it a part under this tariff item.
Holter Monitor Data Acquisition PCA
A compact printed circuit assembly for 24-48 hour ambulatory ECG monitoring devices, capturing multi-lead cardiac signals with low-power design. It is a part for electro-diagnostic electro-cardiographs, qualifying under this tariff item.
Stress Test ECG Control Board Assembly
A printed circuit assembly managing treadmill synchronization, heart rate alarms, and protocol execution in exercise stress electro-cardiographs. It controls physiological parameter checking, qualifying as a part under this tariff item.
Wireless ECG Transmitter Circuit Assembly
A Bluetooth-enabled printed circuit board transmitting real-time ECG data from wearable monitors to base stations. It is an accessory for electro-diagnostic electro-cardiographs supporting functional exploratory examination, qualifying as a part under this tariff item.